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RISExperimental Methods for Dynamic Stress Analysis in Viscoelastic Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper deals with experimental methods of dynamic stress analysis in viscoelastic materials. Plasticized polyvinyl chloride is used as the model material. Dynamic properties, both mechanical ...
The Applicability of Elastic/Viscoplastic Theory in Stress Wave Propagation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A viscoplastic constitutive model developed by Perzyna to describe stress wave propagation in rate-dependent materials is examined. The model is considered in terms of dislocation concepts and ...
The Compression of Fuel Gas for Turbines, Engines, and Boilers in Cogeneration Plants
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The proliferation of gas-fired cogeneration plants in recent years had led to many installations being located on sites remote from high-pressure gas pipelines. Since it is often impractical or ...
Air-Breathing Hypersonic Cruise: Prospects for Mach 4–7 Waverider Aircraft
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: There is currently a renewal of world-wide interest in hypersonic flight. Vehicle concepts being considered range from cruise missiles to SSTO and TSTO vehicles. The new characteristics of these ...
Slowly Modulated Baroclinic Waves in a Three-Layer Model
Publisher: American Meteorological Society
Abstract: A coupled pair of envelope equations is derived which describe the nonlinear evolution of slowly varying wave packets in a three-layer model of baroclinic instability on a ?plane. The equations are identical in form to ...
Implementation of A Posteriori Methods for Enforcing Conservation of Potential Enstrophy and Mass in Discretized Shallow-Water Equations Models
Publisher: American Meteorological Society
Abstract: A Sasaki variational approach is for the first time applied to enforce a posteriori conservation of potential enstrophy and total mass in long-term integrations of two ADI finite-difference approximations of the nonlinear ...